body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-image: linear-gradient(to bottom right, white,#CCEEFF);
}
h1{
    font:bold;
}
.container {
    width:1000px;
    border:0.5px  black;
    max-width: 800px;
    padding: 50px;
    text-align:left;
    box-shadow: 0 8px 16px 0 rgba(0,0,0,0.2), 0 6px 20px 0 rgba(0,0,0,0.19);
}

header {
    margin-bottom: 40px;
}

button {
    padding: 10px 20px;
    background-color: white;
    color: BLACK;
    border: 2px solid #007bff;
    border-radius: 5px;
    cursor: pointer;
    transition-duration: 0.4s;
}
#startExamBtn:hover{
background-color: #007bff;
color:white;
}

#viewScoresBtn:hover{
    background-color: #007bff;
    color:white;
}
.hidden {
    display: none;
}
#logoutBtn{
    position:absolute;
    right:5px;
    top:5px;
    padding: 10px 20px;
       background-color:white;
       color: black;
       border: 2px solid  #007bff;
       border-radius: 4px;
       cursor: pointer;
   }
   #logoutBtn:hover{
   background-color:  #007bff;
   color:white;
   }
   #Tz{
    position:fixed;
    right:5px;
    padding: 10px 20x;
       background-color: white;
       color:black;
       border: 2px solid blue;
       border-radius: 50px;
       cursor: pointer;
   }
   #Tz:hover {
    background-color:blue;
    color: white;
}
.Whu{
    position:fixed;
    border:black 1px;
    left:5px;
    top:5px;
}

